Use qemu-xhci for TailsToaster
Originally created by @intrigeri on #15831 (Redmine)
Once we run QEMU 2.9 on isotesters, as per
https://www.kraxel.org/blog/2018/08/qemu-usb-tips/ we should replace
nec-xhci
with qemu-xhci
.
Related issues
- Blocked by #17842 (closed)
- Blocked by #17457 (closed)